package com.ThreadStudy.syn;

/*
*
* 死锁:多个线程互相抱着对方需要的资源,然后形成僵持
*
* */
public class DeadLockTest {
    public static void main(String[] args) {
        MakeUp g1 = new MakeUp(0,"HHH");
        MakeUp g2 = new MakeUp(1,"VVV");

        g1.start();
        g2.start();
    }

}


// 口红
class Lipstick{

}


// 镜子
class Mirror{

}


// 化妆

class MakeUp extends Thread{
    // 需要的资源只有一份
    static  Lipstick lipstick = new Lipstick();
    static  Mirror mirror = new Mirror();


    int choice;  // 选择
    String girlName; // 使用化妆品的人

    MakeUp(int choice,String girlName){
        this.choice= choice;
        this.girlName = girlName;
    }

    @Override
    public void run() {
        // 化妆
        try {
            makeup();
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

    // 化妆,互相持有对方的锁,就是需要拿到对方的资源
    private void makeup() throws InterruptedException {
        if(choice==0){
            synchronized (lipstick){  // 获得口红的锁
                System.out.println(this.girlName+"获得口红的锁");
                Thread.sleep(1000);

            }
            synchronized (mirror){  // 一秒获得镜子的锁
                System.out.println(this.girlName+"一秒种后,获得镜子的锁");
            }

        }else {
            synchronized (mirror){  // 获得镜子的锁
                System.out.println(this.girlName+"获得镜子的锁");
                Thread.sleep(2000);
            }

            synchronized (lipstick){  // 二秒获得口红的锁
                System.out.println(this.girlName+"二秒种后,获得口红的锁");
            }
        }
    }

}



